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Have SPN 5246 Fmi 16 on a mack. 2011 Mack CXU. Mack mp8. I
Have SPN 5246 Fmi 16 on a mack JA: What's the make, model, and year of your heavy truck? Customer: 2011 Mack CXU JA: What's the engine type and size? Customer: Mack mp8 JA: Is there anything else the … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I have a 2015 Mack Pinnacle with MP8 engine, I am getting
I have a 2015 Mack Pinnacle with MP8 engine, I am getting fault code 'SPN 4094 FMI 1: NOx limits exceeded due to Insufficient Diesel Exhaust Fluid Quality'. Have checked for DEF quality, Aftertreatmen… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I have a 2015 Mack CXU, just spent $15k at Mack dealer on
I have a 2015 Mack CXU, just spent $15k at Mack dealer on DPF, Knox Sensors, EGR value…left the dealer yesterday and truck is back in Derate. Help!!… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I have a 2015 mack mp8 engine that will not stay out of
I have a 2015 mack mp8 engine that will not stay out of derate mode says poor def quality service def we have clleaned filters new in and out senseors doser valve put new vavles behind the starter and… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
How are you, i am in very big problem mack truck mp8 cxu613
hi sir how are you, i am in very big problem mack truck mp8 cxu613 one million kms year 2014. fault codes report attached .truck takes regen everyday during the heavy load and some times twice a day. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
Cascadia, 2014, dd15. used one box replaced i replaced all
good morning , Cascadia , 2014, dd15 . used one box replaced i replaced all sensors related dpf and def pump too. Alternator cable was broken replaced the battery and alternator cables .coolant level … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I can't spell or write correctly but i am going to try. 2012
i can't spell or write correctly but i am going to try … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I'm working on a Mack CHU613 that was bought from auction.
I'm working on a Mack CHU613 that was bought from auction. Has codes spn411 fmi7, spn1127 fmi18, and spn3226 fmi12. A new and updated differential press sensor, new NOX sensors, and verified for exter… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
Dpf problems. 2011 Mack mp7. Called for forced regen....soot
called for forced regen....soot index at 88% failed regen took filter off to get baked and reinstall along with inlet nox sensor and regened it to 0% soot level but yellow inhibit switch is still blinking … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
2012 Freightliner with Cummins ENG SER # 73295803 had a code
2012 Freightliner with Cummins ENG SER # 73295803 had a code 2637 DOC clogged... had had DOC and DPF cleaned, there was a lot of soot in the intake air and exhaust, the aftercooler off and had it flus… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I hope this finds you well, I'm still working with this 2012
Hi Mike I hope this finds you well, Mike I'm still working with this 2012 Mack CHU613 with the mp8 that you were helping me with we finally got it running I had to replace the ECM and put back the dpe… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
Spn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf
Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate … read more
Expert
Expert
10,510 satisfied customers
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9. 2010
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
I have a 2014 freightliner 114sd with a isl9 370. I have
i have a 2014 freightliner 114sd with a isl9 370. I have codes, 3543, 3582, 3714, 3712. This truck is a part of a fleet, and it has been ghosting us for 8 months, truck has recently gotten a new turbo… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
We got a truck in the shop that we just did a DPF for clean
we got a truck in the shop that we just did a DPF for clean on and after a couple weeks is asking for a parked regen twice a week and it throwing code spn 5394 fmi 17. What should I be checking.Thanks… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,287 satisfied customers
Need to force regen on Mack MP8. The sensors went out. 2014
Need to force regen on Mack MP8. The sensors went out … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Temporary lockout code. Ata status temporary lockout code.
Temporary lockout code JA: What's the make/model/year of your truck? Engine type? Customer: ata status temporary lockout code JA: Are you fixing your truck yourself? What have you tried so far? Custom… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR
2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR performance low. service SCR system. Engine derated to 5mph Codes are: SPN 5246, SPN 4094 NOX, SPN 5443… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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